The Unlikely Culprit for a Mysterious Sound in the Antarctic Ocean (Video)

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April 24 2014 3:05 PM

What Is This Mysterious Sound in the Antarctic Ocean?

A decades-old mystery solved.

After decades of hearing a strange "ocean quack sound," scientists have finally pinpointed its source. First detected by submarines 50 years ago, the strange noise, nicknamed "the bio-duck," appears in the winter and spring.

Jim Festante is an actor/writer in Los Angeles and regular video contributor to Slate. He is the author of the Image Comics miniseries The End Times of Bram and Ben.

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